public PlaceholderSpan(
TextBaseline baseline = TextBaseline.alphabetic,
TextStyle style = null,
PlaceholderAlignment alignment = PlaceholderAlignment.bottom
) : base(style: style)
{
this.baseline = baseline;
this.alignment = alignment;
}
public PlaceholderDimensions(
Size size,
PlaceholderAlignment alignment,
TextBaseline?baseline,
float baselineOffset
)
{
D.assert(size != null);
this.size = size;
this.alignment = alignment;
this.baseline = baseline;
this.baselineOffset = baselineOffset;
}
public WidgetSpan(
Widget child,
TextBaseline?baseline = null,
TextStyle style = null,
PlaceholderAlignment alignment = PlaceholderAlignment.bottom
) : base(
alignment: alignment,
baseline: baseline,
style: style
)
{
D.assert(child != null);
D.assert(baseline != null || !(
(alignment == PlaceholderAlignment.aboveBaseline) ||
(alignment == PlaceholderAlignment.belowBaseline) ||
(alignment == PlaceholderAlignment.baseline)
));
this.child = child;
}